What is the complication rate of thrombolysis treatment within 7 days?

The complication rate of thrombolysis treatment within 7 days is best reflected in the option that indicates a clearance rate of 80% with treatment. Thrombolysis is a medical procedure used to dissolve blood clots, and it's commonly employed in conditions like deep vein thrombosis (DVT) and pulmonary embolism.

The statistic of 80% clearance with treatment highlights the effectiveness of thrombolysis in achieving successful clot resolution when compared to untreated scenarios. This high clearance rate demonstrates that thrombolysis is a valuable intervention in managing thrombotic conditions, significantly improving patient outcomes when used appropriately.

In contrast, other options suggest lower clearance rates or pertain to outcomes without treatment, which do not highlight the impact and success rate of thrombolytic treatment in the same manner. Focusing on thrombolysis, which actively addresses the clot, illustrates why treatment leads to a much more favorable outcome.